Formsy React screenshot

Formsy React

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Updated: 15 Jun 2024
763 Stars

A form input builder and validator for React JS

Overview

Formsy-React is a powerful library designed for building and validating forms in React applications. Created by Christian Alfoni, it aims to simplify the complexities around form handling, catering to various developer needs through its adaptable and reusable components. With an emphasis on flexibility, it allows developers to create custom form elements and handle validation effortlessly, making it a go-to choice for many React projects.

The library stands out with its ability to handle any kind of form elements beyond traditional inputs. Sunstantial improvements have been made in the newer version, enhancing functionality and maintaining a user-friendly experience for developers. Whether integrating external validation errors or dynamically adjusting form elements, Formsy-React provides a comprehensive solution to streamline form management in React applications.

Features

  • Customizable Form Elements: Build any type of input component, including non-traditional ones, and automatically receive validation capabilities.
  • Simple Validation Rules: Easily add validation rules using an intuitive syntax, reducing the complexity of form management.
  • State Handlers: Utilize various handlers for managing different states such as onSubmit or onValid, providing more control during form interactions.
  • External Error Handling: Pass errors from external sources to individual form elements, facilitating server response validation.
  • Dynamic Element Registration: Dynamically add or remove form elements, which automatically register or unregister with the form, maintaining organization.
  • Upgraded API: Enjoy a cleaner, more intuitive API with minor changes from version 1.x to 2.x, enhancing usability while keeping core functionalities intact.
  • Integration Ready: Compatible with popular tools like Webpack and Browserify, making installation and setup straightforward for developers.
  • License Flexibility: Released under the MIT License, offering broad usage options for developers across various projects.